If a genetically predisposed individual experiences chronic exposure to silica dust, which immune outcome is most likely to develop, increasing morbidity?

💡 Explanation

Chronic silica exposure can trigger an abnormal immune response, leading to progressive systemic sclerosis. The mechanism involves macrophages phagocytizing silica, activating profibrotic pathways, and stimulating fibroblast activity in genetically susceptible individuals. Because of this aberrant immune response, systemic sclerosis develops rather than other immune responses, therefore, resulting in increased morbidity.

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